www.pudn.com > tristripper-1.1.0-beta-5.zip > policy.cpp

// 
// Copyright (C) 2004 Tanguy Fautré. 
// For conditions of distribution and use, 
// see copyright notice in tri_stripper.h 
// 
////////////////////////////////////////////////////////////////////// 
// SVN: $Id: policy.cpp 86 2005-06-08 17:47:27Z gpsnoopy $ 
////////////////////////////////////////////////////////////////////// 
 
#include "detail/policy.h" 
 
 
 
 
namespace triangle_stripper { 
 
	namespace detail { 
 
 
 
 
void policy::Challenge(strip Strip, size_t Degree, size_t CacheHits) 
{ 
	if (Strip.Size() < m_MinStripSize) 
		return; 
 
	// Cache is disabled, take the longest strip 
	if (! m_Cache) { 
 
		if (Strip.Size() > m_Strip.Size()) 
			m_Strip = Strip; 
 
	// Cache simulator enabled 
	} else { 
 
		// Priority 1: Keep the strip with the best cache hit count 
		if (CacheHits > m_CacheHits) { 
			m_Strip = Strip; 
			m_Degree = Degree; 
			m_CacheHits = CacheHits; 
 
		} else if (CacheHits == m_CacheHits) { 
 
			// Priority 2: Keep the strip with the loneliest start triangle 
			if ((m_Strip.Size() != 0) && (Degree < m_Degree)) { 
				m_Strip = Strip; 
				m_Degree = Degree; 
 
			// Priority 3: Keep the longest strip  
			} else if (Strip.Size() > m_Strip.Size()) { 
				m_Strip = Strip; 
				m_Degree = Degree; 
			} 
		} 
	} 
} 
 
 
 
 
	} // namespace detail 
 
} // namespace triangle_stripper